Triple

T9560075
Position Surface form Disambiguated ID Type / Status
Subject Bear Brook (Millstone River tributary) E230647 entity
Predicate partOf P40 FINISHED
Object Millstone River watershed E44955 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Millstone River watershed | Statement: [Bear Brook (Millstone River tributary), partOf, Millstone River watershed]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Millstone River watershed
Context triple: [Bear Brook (Millstone River tributary), partOf, Millstone River watershed]
  • A. Millstone River chosen
    The Millstone River is a tributary of the Raritan River in central New Jersey, known for flowing through communities such as Princeton and serving as an important local waterway and historical corridor.
  • B. St. Regis River watershed
    The St. Regis River watershed is a drainage basin in northern New York’s Adirondack region that collects water from numerous lakes and streams, including Upper St. Regis Lake, and channels it into the St. Regis River system.
  • C. Mill Creek watershed
    The Mill Creek watershed is the drainage basin that collects and channels all surface water flowing into Mill Creek and its tributaries, shaping the local hydrology and surrounding ecosystem.
  • D. Bull Run Watershed
    The Bull Run Watershed is a protected forested drainage basin in the Cascade Range of Oregon that serves as the primary drinking water source for the Portland metropolitan area.
  • E. Opequon Creek watershed
    The Opequon Creek watershed is a drainage basin in the Potomac River system that collects and channels water from parts of West Virginia and Virginia through Opequon Creek and its tributaries.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69ca847e53a88190a60eed7e02257f10 elicitation completed
NER batch_69cd994bde0c8190afcba5cb8fa8b984 ner completed
NED1 batch_69d1cc35038081909f5cf3f148e95541 ned_source_triple completed
Created at: March 30, 2026, 8:03 p.m.